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From b5b6391d64807578ab872dc58fb8aa621dcfc38a Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michael@niedermayer.cc>
Date: Mon, 6 Jan 2025 22:01:39 +0100
Subject: [PATCH] avfilter/af_pan: Fix sscanf() use
Fixes: Memory Data Leak
Found-by: Simcha Kosman <simcha.kosman@cyberark.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
libavfilter/af_pan.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavfilter/af_pan.c b/libavfilter/af_pan.c
index 0d20b0307b3bf..5feb2439c72e2 100644
--- a/libavfilter/af_pan.c
+++ b/libavfilter/af_pan.c
@@ -196,7 +196,7 @@ static av_cold int init(AVFilterContext *ctx)
sign = 1;
while (1) {
gain = 1;
- if (sscanf(arg, "%lf%n *%n", &gain, &len, &len))
+ if (sscanf(arg, "%lf%n *%n", &gain, &len, &len) >= 1)
arg += len;
if (parse_channel_name(&arg, &in_ch_id, &named)){
av_log(ctx, AV_LOG_ERROR,
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